Home / 791,259.48-1,091,866.32-468,917.64

Finding the Fourth Proportional to 791,259.48, 1,091,866.32 and 468,917.64

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Solution

The fourth proportional to 791,259.48, 1,091,866.32 and 468,917.64 is: 647,063.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,259.48 : 1,091,866.32 = 468,917.64 : x
  2. Step 2: Convert to fraction form
    791,259.48/1,091,866.32 = 468,917.64/x
  3. Step 3: Cross multiply
    791,259.48x = 1,091,866.32 × 468,917.64
  4. Step 4: Simplify right side
    791,259.48x = 511,995,377,969.89
  5. Step 5: Solve for x
    x = 511,995,377,969.89/791,259.48
  6. Step 6: Final answer
    x = 647,063.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.